Wastewater

EPA attacks major source of invasive aquatic species

For more than two decades, two federal agencies and Congress have tried to write a single coherent standard for regulating how, when, and where international shipping companies discharge ballast water, one of the main ways that non-native fish, plants, and other organisms (think zebra mussel) get into the U.S. Now EPA’s addressing the problem with a five-year permit requirement. Read More